Update .NET version from 9.0.x to 10.0.x

Author: swmal

.github/workflows/Build-Release.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: '9.0.x'
+        dotnet-version: '10.0.x'
     - name: Restore dependencies
       run: dotnet restore ./src/EPPlus.sln